{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "997527134",
    "entityType": "User",
    "nonce": "0x9b54d9c13aaeb95afbf6e5c9ca63c28e141d0b93e3a7c6810c14f51cb9f455d7",
    "signature": "0x75f4a1aa206f3a8a4aad53150deaa284384897432acff5c48aabebaf97d2b54f2314f25b725581c634344e7f88dd5eaabceb1e4b3833166f08f3013ae10843b91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}